After a very long and quite challenging development, the Atomic clock is now in space.
Congratulation to all my colleagues having worked on this project for almost twenty years !

Read more about the ACES mission and its instrument PHARAO on ESA and CNES websites

70 ans après la mort d’Einstein, une horloge atomique sur l’ISS pour tester la relativité générale

ACES: Atomic Clock Ensemble in Space

ACES on its way to space